Do number sounds influence consumers?

...people associate certain vowel and consonant sounds with perceptions of physical size. For example, front vowels (like a long a, e, i) and fricatives (like the English f, z, and s) have been shown to convey smallness, while back vowels (sounds like the /u/ in goose or the sound in foot) indicate largeness. ...

... number-sound effects were more likely to occur when a frame of reference (a regular price) was provided. And sometimes, the sounds of numbers created false impressions of value. For example, participants perceived a $10 item marked down to $7.66 to be a greater discount than a $10 item discounted to $7.22.